The free and flexible app for your private thoughts.
Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. It's designed to help you organize, navigate, and make connections between your notes in a way that's both intuitive and highly customizable. Obsidian is perfect for writers, researchers, students, and anyone who wants to take their note-taking and knowledge management to the next level.
4500 / day
5000 / day
3.2 page per visit
Domain Rating
Domain Authority
Citation Level
English, etc
Visualize your notes and their connections in a dynamic graph view, making it easier to see how ideas are linked.
Automatically creates backlinks to other notes, helping you navigate and understand the context of your notes.
Full support for Markdown formatting, allowing for rich text editing and easy conversion to other formats.
Tailor the interface to your workflow with customizable themes, layouts, and plugins.
All your notes are stored locally on your device, ensuring privacy and security.
Organize your notes with tags for easy categorization and retrieval.
Powerful search capabilities allow you to quickly find notes, tags, and even specific content within notes.
Create and manage daily notes to track your thoughts, tasks, and progress over time.
Extend the functionality of Obsidian with a wide range of community-developed plugins.
Easily publish your notes to the web with Obsidian Publish, turning your knowledge base into a website.
Obsidian is committed to protecting your privacy. Your data is stored locally on your device and is never sent to their servers without your consent.
Obsidian has a vibrant community of users and developers who contribute plugins, themes, and share tips and tricks to enhance your experience.
Obsidian is available on Windows, macOS, and Linux, ensuring you can access your notes from any device.
While Obsidian primarily uses local storage, it offers a sync service to keep your notes updated across devices, with end-to-end encryption for security.
Obsidian is built on open-source principles, with many of its core features and plugins developed in the open, encouraging transparency and community involvement.
Security headers report is a very important part of user data protection. Learn more about http headers for obsidian.md